◎ 题干
As the matter is _____, I can't give you a definite answer.

[     ]

A. under discussion
B. under discussing
C. in discussing
D. in discussion
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“As the matter is _____, I can't give you a definite answer. [ ]A. under discussion B. under discussing C. in discussing D. in discussion …”主要考查了你对  【介词和介词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。